Top C# Interview Questions and Answers What is ConfigureAwait? Var vs Dynamic in c#? List vs Dictionary in c#? Types of locks in c#? Different between shallow copy and deep copy? Different between struct and class? Different between abstract class and Interface? Different between ref and out? Different between async and await? Difference between function overloading and overriding in c#? Difference between Task vs Thread? What is a sealed class? Can it be instantiated? Can it be Inherited?